package Yang.Diy;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.Signature;
import org.aspectj.lang.annotation.After;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;

//使用注解方式实现AOP
@Aspect
public class AnnotationPoint {
    @Before("execution(* Yang.Service.UserServiceImpl.*(..))")
    public void before(){
        System.out.println("方法执行前");
    }
    @After("execution(* Yang.Service.UserServiceImpl.*(..))")
    public void after(){
        System.out.println("方法执行后");
    }

    //在环绕增强中，我们可以给定一个参数，代表我们要获取处理切入的点
    @Around("execution(* Yang.Service.UserServiceImpl.*(..))")
    public void around(ProceedingJoinPoint jp) throws Throwable {
        System.out.println("环绕前");
//        Signature signature = jp.getSignature();
//        System.out.println("signature"+signature);

        //执行方法
        Object proceed = jp.proceed();
        System.out.println("环绕后");
    }
}
